Group 1 offers the best amount of protection with both alarm and immobiliser capabilities combined. Class two presents only an immobiliser, which even now stops the car from beginning with out authorisation. Both of those are passively set and offer you excellent safety versus theft. A Thatcham-approved tracking system is https://medium.com/@trackerfit11/why-choosing-a-thatcham-tracker-strengthens-vehicle-security-6b79d8a9c256